Extra money
Successfully complete all objectives in a mission, then press [F1] to display the mission status screen. Press [Esc] when the "Success" message is displayed to return to the game. Repeat these steps to collect the mission reward multiple times.

Cheat Codes
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "hitman.ini" file in the "hitman" folder. Add the line "enableconsole 1" to the "enable console" section. While playing a game, press ~, then enter one of the following codes at the console window to activate the corresponding cheat function. Note: Press [Tab] to scroll through all available commands.